Locally advanced nasopharyngeal cancer generally refers to the metastasis of nasopharyngeal cancer occurring in local neighboring organs and tissues, but has not yet metastasized to distant places. Nasopharyngeal cancer is a malignant tumor occurring in nasopharynx, and common pathological types include squamous cell carcinoma, adenocarcinoma and so on. Locally advanced stage of nasopharyngeal cancer generally refers to nasopharyngeal cancer invading adjacent tissues such as eyes, ears or invading into the skull or showing metastasis of regional lymph nodes such as neck, etc. However, distant metastasis has not yet appeared. However, distant metastasis has not yet appeared, such as metastasis to bone, lung, liver and so on. Local metastasis of nasopharyngeal cancer invading corresponding tissues and organs may cause corresponding symptoms. For example, hearing loss and tinnitus may occur when the ear is involved; migraine, diplopia, vision loss, choking and coughing may occur when the brain nerve is compressed by invading the skull. If you feel unwell, it is recommended that you consult a doctor in time for diagnosis and treatment.